/*
 * Copyright (C) Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.light.server.servlets.login;

import com.google.light.server.utils.ServletUtils;

import java.io.IOException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.google.light.server.constants.LightConstants;

/**
 * Servlet that allows a user to Logout.
 * 
 * @author Arjun Satyapal
 */
@SuppressWarnings("serial")
public class LogoutServlet extends HttpServlet {
  @Override
  public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {

    ServletUtils.invalidateSession(request);
    response.getWriter().println("Successfully Logged out.");

    request.getSession().invalidate();
    response.sendRedirect(LightConstants.REDIRECT_PATH_AFTER_LOGOUT);

  }
}
